ZENITH Chronomaster Sport Skeleton El Primero 3600 SK Automatic Chronograph 41mm Watch
03.3131.3600/01.M3130 $22,900
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Key Features:
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Case Material Stainless Steel / Green Ceramic Bezel
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Case Size 41mm
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Dial Colour Openworked, tinted sapphire with three different-coloured counters
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Movement El Primero 3600SK
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Power Reserve Approx. 60 Hours
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Features Date, 1/10th of a Second Chronograph, Stop Second Mechanism, Transparent Caseback
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Water Resistance 330 ft.
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Strap Stainless steel bracelet with the new micro-adjustable folding clasp. Additional green rubber strap included.
Product Details
When ZENITH introduced the El Primero in 1969, it did more than launch the world’s first automatic, integrated high-frequency chronograph. It established a new standard of precision in mechanical watchmaking. Beating at 5Hz, 36 000 vibrations per hour, and capable of measuring 1/10th of a second, the El Primero became the technical foundation of the Maison’s identity.
At Watches and Wonders 2026, ZENITH unveils a new expression of this legacy: the CHRONOMASTER Sport Skeleton. Through its openworked architecture, the Manufacture reveals the mechanical complexity of its most emblematic calibre while introducing a new patented folding clasp, a new ergonomic development reflecting ZENITH’s holistic vision of performance, where movement engineering and functional innovation evolve together.
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